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Miscellaneous U.S. elevator patents (1880)
leaf 9
3 Sheets— Sheet 1. E. N. DICKEESON. Operating Hatchway-Doors. No. 223,322. Patented Jan. 6, 1880, … THf NORRIS PETERS CO . PHOTO-UTHC , W».SH1NC.TGN, D CElevators
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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